Home / 22,909.40-34,331.70-14,118.20

Finding the Fourth Proportional to 22,909.40, 34,331.70 and 14,118.20

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Solution

The fourth proportional to 22,909.40, 34,331.70 and 14,118.20 is: 21,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.40 : 34,331.70 = 14,118.20 : x
  2. Step 2: Convert to fraction form
    22,909.40/34,331.70 = 14,118.20/x
  3. Step 3: Cross multiply
    22,909.40x = 34,331.70 × 14,118.20
  4. Step 4: Simplify right side
    22,909.40x = 484,701,806.94
  5. Step 5: Solve for x
    x = 484,701,806.94/22,909.40
  6. Step 6: Final answer
    x = 21,157.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.